Across
- 4. Invention with direction
- 7. Telescope he used
- 9. balance Invention that weighs air and water
- 10. Invention of the _____ telescoop
Down
- 1. Month he was born in
- 2. Month he died
- 3. Discovered this planet's moons
- 5. He developed the _______ method
- 6. He discovered the ______ around Saturn
- 8. Country that he was born in